Conventions

In this book, you will find a number of text styles that distinguish between different kinds of information. Here are some examples of these styles and an explanation of their meaning.

Code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles are shown as follows: "In this page, we also define a single div tag that has an id with a value output."

A block of code is set as follows:

<script> 
    (function() { 
        show(); 
    })(); 
</script>

Any command-line input or output is written as follows:

$ geo2topo -V
  2.0.0
$ toposimplify -V
  2.0.0

New terms and important words are shown in bold. Words that you see on the screen, for example, in menus or dialog boxes, appear in the text surrounded by quotes, or like this: "Just hit the Download button and click OK."

Warnings or important notes appear in a box like this.

Tips and tricks appear like this.